Transaction not yet indexed

EX1kkUnvrQPsT4xP5iCqoxP6Tfrf3rsx1j2h7rmhLzFG43FbyVBT6Ur8VXig95zHVDbMRsjVD9vFU8Fm9zVQTBX

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.